Correlation between alloy composition of Laves-phase ZrV,\_,\_,Mn,Ni, (x = 0.2-0.8, y = 1.0, 1.2, 1.4) alloys and their negative electrode performance such as discharge capacity and high-rate dischargeability was investigated. At any y value unit cell volume decreased with increasing ratio of atomic
Effect of alloy composition on hydrogen diffusion in the AB5-type hydrogen storage alloys
β Scribed by Chiaki Iwakura; Takafumi Oura; Hiroshi Inoue; Masao Matsuoka; Yoshifumi Yamamoto
- Publisher
- Elsevier
- Year
- 1995
- Tongue
- English
- Weight
- 393 KB
- Volume
- 398
- Category
- Article
- ISSN
- 1572-6657
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Effects of substitution with foreign metals on the crystallographic, thermodynamic and electrochemical properties of AB,-type hydrogen storage alloys were investigated. The unit cell volume of MmNi,\_xAl, (Mm = mischmetal, 0.2 < x < 1.0) alloys and the values of enthalpy change (-AH) in hydride form
Effect of stoichiometric ratio on the electrochemical properties of negative electrodes was investigated for alloys with composition Mm(Ni,,,Mno.4Al,,,Co~,,), (Mm = misch metal, 0.88 < x < 1.12). The discharge capacity at a current density of 0.2Ag-' increased with an increase in unit cell volume of